Here are the reasons why you should clear your DNS cache regularly: SecurityĭNS cache files are the main target for DNS spoofing, which endangers users’ sensitive information like login credentials and personal data. Therefore, we recommend flushing your DNS cache periodically. Your operating system may store a bad DNS cache when you visit websites that just moved to a new domain name or host. As long as the cache files are still valid, they will answer content requests without going through the DNS server.ĭespite this, using corrupt or outdated DNS cache files can lead to errors and security vulnerabilities.

Its TTL determines the cache’s validity period. Most operating systems perform DNS caching to lessen the DNS servers’ burden during high traffic. Apply our latest wp rocket coupon codes for all your WordPress caching tasks. If you’re planning to buy this magic plugin, we have some exclusive offers for you. There are multiple WordPress caching plugins available. If your site is in the process of being moved from one server to another, or from one hosting company to another, you might need to clear your DNS cache so you can grab the most up-to-date records. In a nutshell, just like your browser cache stores images, HTML files, and stylesheets – your DNS cache stores the IP addresses (locations of sites) you have recently visited on your computer. This enables your browser to reload sites you’ve visited in the past more quickly than if it had to reference the DNS again each time. So, DNS caching involves your Operating System (OS) or browser capturing recently-visited IP addresses and saving them in a database. As for ‘caching’, it’s the process of saving a snapshot of something (such as a web page) so it can be reloaded faster in the future. You can think of it as a directory or phone book for websites. In order to understand why you may need to flush your DNS cache, there are several components we need to break down.įirst, the Domain Name System (DNS) is an index of all the websites on the internet and their IP addresses.

How to Clear Your DNS Cache In Mac OS X.How to Clear Your DNS Cache In Microsoft Windows.How to Clear Your DNS Cache In Various Devices & OS?.Why Do You Need to Clear Your DNS Cache?.

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